On Thu, 15 Jul 2021 at 18:11, Thomas Zimmermann <tzimmermann@xxxxxxx> wrote: > > Hi > > Am 13.07.21 um 18:59 schrieb Javier Martinez Canillas: > > On 6/25/21 3:09 PM, Javier Martinez Canillas wrote: > >> The simplefb and simpledrm drivers match against a "simple-framebuffer" > >> device, but for aarch64 this is only registered when using Device Trees > >> and there's a node with a "simple-framebuffer" compatible string. > >> > >> There is no code to register a "simple-framebuffer" platform device when > >> using EFI instead. In fact, the only platform device that's registered in > >> this case is an "efi-framebuffer", which means that the efifb driver is > >> the only driver supported to have an early console with EFI on aarch64. > >> > >> The x86 architecture platform has a Generic System Framebuffers (sysfb) > >> support, that register a system frambuffer platform device. It either > >> registers a "simple-framebuffer" for the simple{fb,drm} drivers or legacy > >> VGA/EFI FB devices for the vgafb/efifb drivers. > >> > >> The sysfb is generic enough to be reused by other architectures and can be > >> moved out of the arch/x86 directory to drivers/firmware, allowing the EFI > >> logic used by non-x86 architectures to be folded into sysfb as well. > >> > > > > Any more comments on this series? It would be nice for this to land so the > > simpledrm driver could be used on aarch64 EFI systems as well. > > > > The patches have already been acked by x86 and DRM folks. > > Time to get this merged, I'd say. People are asking for these patches > already. Can we just merge via drm-misc and make sure the acks are present and I'll deal with the fallout if any. Dave.